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Finding the Third Proportional to 165,662 and 220,717.50

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Solution

The third proportional to 165,662 and 220,717.50 is: 294,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,662 : 220,717.50 = 220,717.50 : x
  2. Step 2: Convert to fraction form
    165,662/220,717.50 = 220,717.50/x
  3. Step 3: Cross multiply
    165,662x = 220,717.50 × 220,717.50
  4. Step 4: Simplify right side
    165,662x = 48,716,214,806.25
  5. Step 5: Solve for x
    x = 48,716,214,806.25/165,662
  6. Step 6: Final answer
    x = 294,069.94

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.